<?php

namespace CommerceGuys\Addressing\Tests\Country;

use CommerceGuys\Addressing\Country\Country;
use CommerceGuys\Addressing\Country\CountryRepository;
use PHPUnit\Framework\TestCase;
use org\bovigo\vfs\vfsStream;

/**
 * @coversDefaultClass \CommerceGuys\Addressing\Country\CountryRepository
 */
final class CountryRepositoryTest extends TestCase
{
	/**
	 * Country definitions.
	 *
	 * @var array
	 */
	protected $definitions = [
	    'en' => [
	        'FR' => 'France',
	        'US' => 'United States',
	    ],
	    'es' => [
	        'FR' => 'Francia',
	        'US' => 'Estados Unidos',
	    ],
	    'de' => [
	        'FR' => 'Frankreich',
	        'US' => 'Vereinigte Staaten',
	    ],
	];


	/**
	 * @covers ::__construct
	 */
	public function testConstructor()
	{
		$root = vfsStream::setup('resources');
		foreach ($this->definitions as $locale => $data) {
		    vfsStream::newFile('country/' . $locale . '.json')->at($root)->setContent(json_encode($data));
		}

		// Instantiate the country repository and confirm that the definition path
		// was properly set.
		$countryRepository = new CountryRepository('de', 'en', 'vfs://resources/country/');

		$reflected_constraint = (new \ReflectionObject($countryRepository))->getProperty('definitionPath');
		$reflected_constraint->setAccessible(TRUE);
		$definitionPath = $reflected_constraint->getValue($countryRepository);
		$this->assertEquals('vfs://resources/country/', $definitionPath);

		return $countryRepository;
	}


	/**
	 * @covers ::get
	 * @covers ::loadDefinitions
	 *
	 * @uses \CommerceGuys\Addressing\Country\Country
	 * @uses \CommerceGuys\Addressing\Locale
	 * @depends testConstructor
	 */
	public function testGet($countryRepository)
	{
		$country = $countryRepository->get('FR', 'es');
		$this->assertInstanceOf(Country::class, $country);
		$this->assertEquals('FR', $country->getCountryCode());
		$this->assertEquals('Francia', $country->getName());
		$this->assertEquals('FRA', $country->getThreeLetterCode());
		$this->assertEquals('250', $country->getNumericCode());
		$this->assertEquals('EUR', $country->getCurrencyCode());
		$this->assertEquals('es', $country->getLocale());

		// Default locale, lowercase country code.
		$country = $countryRepository->get('fr');
		$this->assertInstanceOf(Country::class, $country);
		$this->assertEquals('FR', $country->getCountryCode());
		$this->assertEquals('Frankreich', $country->getName());
		$this->assertEquals('de', $country->getLocale());

		// Fallback locale.
		$country = $countryRepository->get('FR', 'INVALID-LOCALE');
		$this->assertInstanceOf(Country::class, $country);
		$this->assertEquals('FR', $country->getCountryCode());
		$this->assertEquals('France', $country->getName());
		$this->assertEquals('en', $country->getLocale());
	}


	/**
	 * @covers ::get
	 * @covers ::loadDefinitions
	 *
	 * @uses \CommerceGuys\Addressing\Locale
	 *
	 * @depends testConstructor
	 */
	public function testGetInvalidCountry($countryRepository)
	{
		$this->expectException(\CommerceGuys\Addressing\Exception\UnknownCountryException::class);
		$countryRepository->get('INVALID');
	}


	/**
	 * @covers ::getAll
	 * @covers ::loadDefinitions
	 *
	 * @uses \CommerceGuys\Addressing\Country\Country
	 * @uses \CommerceGuys\Addressing\Locale
	 * @depends testConstructor
	 */
	public function testGetAll($countryRepository)
	{
		$countries = $countryRepository->getAll('es');
		$this->assertArrayHasKey('FR', $countries);
		$this->assertArrayHasKey('US', $countries);
		$this->assertEquals('Francia', $countries['FR']->getName());
		$this->assertEquals('Estados Unidos', $countries['US']->getName());

		// Default locale.
		$countries = $countryRepository->getAll();
		$this->assertArrayHasKey('FR', $countries);
		$this->assertArrayHasKey('US', $countries);
		$this->assertEquals('Frankreich', $countries['FR']->getName());
		$this->assertEquals('Vereinigte Staaten', $countries['US']->getName());

		// Fallback locale.
		$countries = $countryRepository->getAll('INVALID-LOCALE');
		$this->assertArrayHasKey('FR', $countries);
		$this->assertArrayHasKey('US', $countries);
		$this->assertEquals('France', $countries['FR']->getName());
		$this->assertEquals('United States', $countries['US']->getName());
	}


	/**
	 * @covers ::getList
	 * @covers ::loadDefinitions
	 *
	 * @uses \CommerceGuys\Addressing\Locale
	 * @depends testConstructor
	 */
	public function testGetList($countryRepository)
	{
		$list = $countryRepository->getList('es');
		$this->assertEquals(['FR' => 'Francia', 'US' => 'Estados Unidos'], $list);

		// Default locale.
		$list = $countryRepository->getList();
		$this->assertEquals(['FR' => 'Frankreich', 'US' => 'Vereinigte Staaten'], $list);

		// Fallback locale.
		$list = $countryRepository->getList('INVALID-LOCALE');
		$this->assertEquals(['FR' => 'France', 'US' => 'United States'], $list);
	}
}
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